BE770043A - Procede de purification d'acides phosphoriques par neutralisation - Google Patents

Procede de purification d'acides phosphoriques par neutralisation

Info

Publication number
BE770043A
BE770043A BE770043A BE770043A BE770043A BE 770043 A BE770043 A BE 770043A BE 770043 A BE770043 A BE 770043A BE 770043 A BE770043 A BE 770043A BE 770043 A BE770043 A BE 770043A
Authority
BE
Belgium
Prior art keywords
neutralization
phosphoric acids
purifying phosphoric
purifying
acids
Prior art date
Application number
BE770043A
Other languages
English (en)
French (fr)
Original Assignee
Knapsack Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Knapsack Ag filed Critical Knapsack Ag
Publication of BE770043A publication Critical patent/BE770043A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/30—Alkali metal phosphates
    • C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
    • C01B25/303—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Fertilizers (AREA)
  • Treatment Of Sludge (AREA)
BE770043A 1970-07-17 1971-07-15 Procede de purification d'acides phosphoriques par neutralisation BE770043A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2035505A DE2035505C3 (de) 1970-07-17 1970-07-17 Verfahren zur Herstellung reiner Alkaliphosphatlösungen

Publications (1)

Publication Number Publication Date
BE770043A true BE770043A (fr) 1972-01-17

Family

ID=5777064

Family Applications (1)

Application Number Title Priority Date Filing Date
BE770043A BE770043A (fr) 1970-07-17 1971-07-15 Procede de purification d'acides phosphoriques par neutralisation

Country Status (8)

Country Link
US (1) US3764655A (enExample)
BE (1) BE770043A (enExample)
DE (1) DE2035505C3 (enExample)
ES (1) ES392861A1 (enExample)
FR (1) FR2103042A5 (enExample)
GB (1) GB1311377A (enExample)
NL (1) NL169982C (enExample)
SE (1) SE359282B (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1451608A (en) * 1972-11-08 1976-10-06 Fisons Ltd Process for reducing calcium sulphate scale formation
DE2461064C2 (de) * 1974-12-23 1984-03-01 Hoechst Ag, 6230 Frankfurt Verfahren zur Herstellung reiner Alkaliphosphatlösungen aus Naßverfahrensphosphorsäure
DE2608029C2 (de) * 1976-02-27 1984-02-23 Hoechst Ag, 6230 Frankfurt Verfahren zur Herstellung einer Alkaliphosphatlösung aus Naßverfahrensphosphorsäuren
US4215098A (en) * 1978-04-26 1980-07-29 Albright & Wilson Limited Purification of wet process phosphoric acid
DE2832348C3 (de) * 1978-07-22 1981-10-01 Heraeus Quarzschmelze Gmbh, 6450 Hanau Spülvorrichtung für Analysengeräte
US4224294A (en) * 1979-01-15 1980-09-23 Stauffer Chemical Company Preparation of sodium orthophosphate mixtures
US4210629A (en) * 1979-03-01 1980-07-01 Uop Inc. Flue gas treatment
US4242198A (en) * 1979-03-12 1980-12-30 W. R. Grace & Co. Reduction of magnesium and other cations in phosphoric acid
US4311681A (en) * 1980-05-19 1982-01-19 Fmc Corporation Method of regenerating phosphoric acid extraction solvent
US4328196A (en) * 1980-09-25 1982-05-04 Pennzoil Company Production of alkali metal products from alkali metal fluosilicate
DE3437685C2 (de) * 1984-10-15 1987-03-12 Hoechst Ag, 6230 Frankfurt Verfahren zur Herstellung einer vanadiumarmen Alkaliphosphatlösung
US5006319A (en) * 1988-03-04 1991-04-09 Fmc Corporation Process for removing iron, chromium and vanadium from phosphoric acid
DE3938225A1 (de) * 1989-11-17 1991-05-23 Hoechst Ag Verfahren zur herstellung gereinigter alkaliphosphatloesung
DE4011716A1 (de) * 1990-04-11 1991-10-17 Hoechst Ag Verfahren zur herstellung von alkaliphosphatloesungen
DE4327401A1 (de) * 1993-08-14 1995-02-16 Hoechst Ag Verfahren zur Entfernung von Blei und Cadmium aus Phosphorsäure
DE19637415C2 (de) * 1996-09-13 2001-04-19 Bayerische Motoren Werke Ag Phosphatierungsanlage
RU2178386C1 (ru) * 2001-01-25 2002-01-20 Открытое акционерное общество "РЕАТЭКС" Способ получения калия фосфорно-кислого однозамещенного
RU2183582C1 (ru) * 2001-06-05 2002-06-20 Открытое акционерное общество "РЕАТЭКС" Способ получения калия фосфорно-кислого двузамещенного
ES2384772T3 (es) * 2008-10-16 2012-07-12 Ecophos S.A. Procedimiento para la producción de ácido fosfórico de elevada pureza
BE1018308A3 (fr) * 2008-10-16 2010-08-03 Ecophos Sa Procede pour la production d'acide phosphorique de haute purete.
CA2739515C (en) * 2008-10-16 2015-04-28 Ecophos Sa Process for the production of high purity phosphoric acid
US10995014B1 (en) 2020-07-10 2021-05-04 Northvolt Ab Process for producing crystallized metal sulfates

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD54677A (enExample) *
US598182A (en) * 1898-02-01 Heem an-poole
DE1058033B (de) * 1958-01-23 1959-05-27 Albert Ag Chem Werke Verfahren zur Herstellung von Trinatriumphosphat aus natriumalkalischen, Phosphorsaeure und gegebenenfalls Fluor enthaltenden Natriumaluminatlaugen
DE1767631C3 (de) * 1968-05-30 1973-11-15 Knapsack Ag, 5033 Huerth-Knapsack Verfahren zur Herstellung von Al kahphosphaten aus den bei der Neutrall sation roher Naßverfahrensphosphorsaure anfallenden Schlammen

Also Published As

Publication number Publication date
GB1311377A (en) 1973-03-28
NL7109850A (enExample) 1972-01-19
DE2035505C3 (de) 1974-06-12
DE2035505B2 (de) 1973-11-08
NL169982C (nl) 1982-09-16
US3764655A (en) 1973-10-09
SE359282B (enExample) 1973-08-27
NL169982B (nl) 1982-04-16
FR2103042A5 (enExample) 1972-04-07
ES392861A1 (es) 1973-08-16
DE2035505A1 (de) 1972-01-20

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